388 REFERENCES TO PUBLICATIONS, ETC. 
REFERENCES TO PUBLICATION OF 
COMMUNICATIONS TO THE SECTIONS 
AND OTHER REFERENCES SUPPLIED BY AUTHORS. 
Under each Section, the index-numbers correspond with those of the papers in 
the sectional programmes (pp. 297-387). 
References indicated by ‘ cf.’ are to appropriate works quoted by the authors of 
papers, not to the papers themselves. 
General reference may be made to the issues of Natwre (weekly) during and sub- 
sequent to the meeting, in which summaries of the work of the sections are furnished. 
Section A. 
3. Expected to be published in Messenger of Mathematics as § 3 of paper on ‘ An 
expression for the energy in a new electrostatics.’ 
5. Geophysical supplement to Monthly Notices, R.A.S., Dec. 1925, pp. 247-270. 
9. Engineering, Sept. 18, 1925. 
11. Results expected to be published in Q. J. Roy. Meteor. Soc. Cf. ‘ Circulation 
in seasonal variations of weather, ix. A further study of world weather,’ in Memoirs 
India Meteor. Dept., 24, ix. (1925). 
12. Cf. ‘Hyperbolic function numbers and their presentation in Electrical 
Engineering,’ Proc. Internat. Math. Cong. Toronto, 1924. 
13. Expected to appear in Proc. London Math. Soc. ; cf. ibid. 1904. 
16. Cf. Dr. J. H. Shaxby. ‘ Sur la diffusion de particules en suspension,’ Comptes 
rendus, 180, p. 195 (19 Jan. 1925); also Proc. Roy. Soc. (A), 104, p. 655 (1923). 
18. Cf. ‘ On the origin and maintenance of the earth’s charge,’ Terr. Mag., 20, pp. 
105-126 (1915) ; ‘ On the ionization of the upper atmosphere,’ Terr. Mag., 21, pp. 1-8 
(1916); ‘ On the origin of the earth’s electric charge,’ Phys. Rev., 9, pp. 55-57 (1917) ; 
‘ Atmospheric electricity,’ Journ. Fr. Inst., 188, pp. 577-606 (1919) ; ‘ Unsolved 
problems of cosmical physics,’ Journ. Fr. Inst., 195, pp. 433-474 (1923) ; * Ionization — 
by rapidly moving electrified particles,’ Phil. Mag., S. 6, 47, pp. 306-319 (1924) ; 
‘The penetrating radiation and its bearing on the earth’s electric field,’ Bulletin Nat. — 
Res. Council, no. 17, pp. 54-77 (1922); “On the magnetic and electric fields which ~ 
spontaneously arise in the vicinity of conducting rotating spheres,’ Terr. Mag., 22, 
pp- 149-168 (1917); ‘A generalization of electrodynamics consistent with restricted — 
relativity and affording an explanation of the earth’s magnetic and gravitational j 
fields and the maintenance of the earth’s charge,’ Math. Congress, Toronto, — 
Aug. (1924). 
19. Expected to appear in Phil. Mag. 
20. Electrician, 95, p. 265, Sept. 4, 1925. Cf. R. L. Smith-Rose and R. B. Barfield, 
‘ A discussion of the practical systems of D.F. by reception,’ Radio Res. Board, Spec. 
Report, No. 1 (1923); R. L. Smith-Rose, ‘ The variations of bearings of Radio Trans- — 
mitting Stations,’ Part I, Radio Res. Board, Spec. Report, No. 2 (1924); Part I, 
Radio Res. Board, Spec. Report, No. 3 (1925); R. L. Smith-Rose and R. H. Barfield, 
‘The effect of local conditions on radio D.F. installations,’ Journ. I.E.E., 61, pp. 179- | 
191 (1923); R. L. Smith-Rose, ‘Some radio D.F. observations on ship and shore 
trans. stations,’ Journ. I.E.H., 62, pp. 701-711 (1924) ; ‘ The effect of the shape of the 
transmitting aerial upon observed bearings on a radio direction finder,’ Journ. 
